Samsung SGH-E910 User manual

GSM TELEPHONE
SGH-E910
GSM TELEPHONE CONTENTS
1. Specification
2. Flow Chart of Troubleshooting
3. Exploded Views and Parts List
4. Electrical Parts List
5. PCB Diagrams
6. Block Diagrams

1. SGH-E910 Specification
1-1
1-1. GSM General Specification
GSM900
Phase 1
EGSM 900
Phase 2
DCS1800
Phase 1 PCS1900
Freq. Band[MHz]
Uplink/Downlink
890~915
935~960
880~915
925~960
1710~1785
1805~1880
1850~1910
1930~1990
ARFCN range 1~124 0~124 &
975~1023 512~885 512~810
Tx/Rx spacing 45MHz 45MHz 95MHz 80MHz
Mod. Bit rate/
Bit Period
270.833kbps
3.692us
270.833kbps
3.692us
270.833kbps
3.692us
270.833kbps
3.692us
Time Slot
Period/Frame
Period
576.9us
4.615ms
576.9us
4.615ms
576.9us
4.615ms
576.9us
4.615ms
Modulation 0.3GMSK 0.3GMSK 0.3GMSK 0.3GMSK
MS Power 33dBm~13dBm 33dBm~5dBm 30dBm~0dBm 30dBm~0dBm
Power Class 5pcl ~ 15pcl 5pcl ~ 19pcl 0pcl ~ 15pcl 0pcl ~ 15pcl
Sensitivity -102dBm -102dBm -100dBm -100dBm
TDMA Mux 8 8 8 8
Cell Radius 35Km 35Km 2Km -

SGH-E910 Speclflcation
1-2
1-2. GSM Tx Power Class
TX Power
control level GSM900
5 33±2 dBm
6 31±2 dBm
7 29±2 dBm
8 27±2 dBm
9 25±2 dBm
10 23±2 dBm
11 21±2 dBm
12 19±2 dBm
13 17±2 dBm
14 15±2 dBm
15 13±2 dBm
16 11±3 dBm
17 9±3dBm
18 7±3 dBm
19 5±3 dBm
TX Power
control level DCS1800
0 30±3 dBm
1 28±3 dBm
2 26±3 dBm
3 24±3 dBm
4 22±3 dBm
5 20±3 dBm
6 18±3 dBm
7 16±3 dBm
8 14±3 dBm
9 12±4 dBm
10 10±4 dBm
11 8±4dBm
12 6±4 dBm
13 4±4 dBm
14 2±5 dBm
15 0±5 dBm
TX Power
control level PCS1900
0 30±3 dBm
1 28±3 dBm
2 26±3 dBm
3 24±3 dBm
4 22±3 dBm
5 20±3 dBm
6 18±3 dBm
7 16±3 dBm
8 14±3 dBm
9 12±4 dBm
10 10±4 dBm
11 8±4dBm
12 6±4 dBm
13 4±4 dBm
14 2±5 dBm
15 0±5 dBm

2. SGH-E910 Flow Chart of Troubleshooting
2-1
2-1 BASEBAND
2-1-1. Power ON
'Power On' does not work
Yes
Check the current
consumption more
than 100mA Download again
No
Yes
Charge the Battery
Check the VBAT
more than 3.3V
No
Yes
①
Check the
VLDO7_1.8V
of U301 is more than
1.8V
Check U301 and C310
No
Yes
Check C315 and U301
Check C343 and U304
②
Check VCCD_1.5 of
U304=1.5V
No
③
Yes
Check VRF of
U301=2.9V Check U301 and C314
No
Yes
④
Check C115
Freq = 13MHz
Vp-p > 0.8V Check the clock C115
No
Yes
Check the initial operation
Yes
END

SGH-E910 Flow Chart of Troubleshooting
2-2
V300
C318
R304
C319 R305
R301
R302
C322
VCCB_2.9
R320
C316
VBAT
VRF_2.9
C309
VCCD_1.8
C312 BAT301
2
G
E
N
1
S
O
P
VLDO_7 C12
VREF A10
VRTC H11
VSIM K12
N
E
_
G
N
R
_
B
I
V
VL4S_A A12
VL4S_B B11
VL5S_A D10
C9
VL5S_B
G11
VLDO_1
VLDO_2 J12
VLDO_3 A13
VLDO_4 B12
VLDO_5 B10
VLDO_6 A14
VDD34
5
D
D
V0
1
C
7
6
D
D
V3
1
B
VEXT E14
VIB_DRV F15
9
L
UP_CLK N9
UP_IO P10
UP_RST R10
VACC F14
VBAT E13
VDD12 J13
C11
SCLK_PSC L8
M7
SDI_PSC
SDO_PSC N7
SIM_CLK K14
SIM_IO J11
SIM_RST K11
RING_DRV F13
H10
RTC_ALMN
G12
Q
R
T
N
I
0
1
L
LED1_DRV G13
LED2_DRV
CH_ISEN F12
CH_RES D14
E9
CREF
K8
CSN_PSC
CH_BDRV E11
ADC_AUX1 E10
ADC_AUX2 D15
VCCA_2.9
C315C314
VCCD_2.9
C310 C313
VRTC_1.5
VCCB_2.9
R303
C317C311
VSIM_2.9
VCCB_2.9
VLDO1_1.5V
BP_VF
KEY_BL
VIB_DRV
ICHRG
UP_SCLK
UP_CS
GSM_TX_EN
DCS_TX_EN
SIM_RST
SIM_IO
SIM_CLK
SIMDATA
SIMRST
RTCALARM
UP_SDO
UP_SDI
SIMCLK
U301

SGH -E 910 Flow Chart of Troubleshooting
2-3
C115
C114
R107
C117
R106
CLK13M_YMU
C116
CLK13M_TR
CLK13M_MC
L300
VBAT
6.3V
VCCD_2.9
1VIN
VCCD_1.5
U304
3EN 4
FB
GND
2
5
SW
F306
2
1
3
C343

SGH-E910 Flow Chart of Troubleshooting
2-4
Check and resolder
con-to-con connector
HDC301,HDC101 or
con-to-con FPCB
change
2-1-2. Initial
Initial Failure
Yes
①
Check the signal at pin
K9 of U301 is
"Low" for 250ms after
when the phone is boot
No Check TP301 of U301
Yes
②
Check the pin4 of
OSC201 is around
No Check the soldered status of
UCP201, OSC201, C214, C215
③
Yes
No Check HDC500 and LCD part
LCD display is O.K?
Yes
Check audio part
Sound is O.K? No
END
Yes
Yes

SGH -E 910 Flow Chart of Troubleshooting
2-5
U301
1
0
3
P
T
Q
A
N
E
O
X
1
D
VREF A10
N
E
_
G
N
R
_
B
I
V
9
L
O
_
T
E
S
E
R
9
K
H10
RTC_ALMN
K
L
C
_
C
T
R
F
U
B
_
1
W
S
P
7
L
P
E
E
K
_
R
W
P
9
M
N
1
W
S
_
R
W
P
5
1
C2
W
S
_
R
W
P
4
1
C
C
M
6
R
E
D
O
M
0
1
N
Q
R
T
N
I
0
1
L
R
T
N
I
D
3
P
E9
CREF
ADC_AUX1 E10
ADC_AUX2 D15
5
P4
X
U
A
_
C
D
A
N
E
_
B
I
V
F
U
B
_
1
W
S
P
Q
A
N
E
O
X
K
2
3
K
L
C
C
M
_
M
3
1
K
L
C
N
O
_
R
W
P
N
O
_
G
I
J
T
N
I
_
P
S
D
Q
R
T
N
I
P
E
E
K
_
R
W
P
T
S
R

SGH-E910 Flow Chart of Troubleshooting
2-6
5
1
2
C
4
1
2
C
C
T
R
1
X
9
1
H
9
1
FC
T
R
2
X
5
G6
4
O
I
P
_
1
M
W
P
N
M
R
A
L
A
C
T
R
7
1
H
R14
4
1
LN
E
_
D
M
C
_
I
C
M
_
9
3
O
I
P
N
E
_
T
A
D
_
I
C
M
_
0
4
O
I
P
4
1
M
4
1
NN
E
_
0
T
A
D
_
I
C
M
_
3
4
O
I
P
J16
PIO47
2
1
L
3
1
L2
T
A
D
_
I
C
M
_
3
2
O
I
P
3
T
A
D
_
I
C
M
_
4
2
O
I
P
5
1
L
9
1
V5
2
O
I
P
6
2
O
I
P
6
1
U
7
2
O
I
P
9
1
U
7
1
W8
2
O
I
P
P12
PIO31_IRQ6
2
3
O
I
P
3
1
R
U18
PIO33
PIO34
D
M
C
_
I
C
M
_
8
0
O
I
P
3
1
J
0
1
O
I
P
7
1
V
5
1
PP
E
E
K
R
W
P
_
9
1
O
I
P
Q
E
R
K
L
C
S
Y
S
_
0
2
O
I
P
9
1
P
3
1
K0
T
A
D
_
I
C
M
_
1
2
O
I
P
1
T
A
D
_
I
C
M
_
2
2
O
I
P
6
1
GT
U
O
2
3
C
S
O
PIO00_IRQ5 P16
IRQ1 M16
M19
IRQ2
IRQ3 P17
P18
IRQ4
M4
ATCK_CTS1
ATMS_PIO45 K12
OSC201
BACKEND_EN
VLCD_EN
LCD_BACKLIGHT
DLC_DETECT
MOTOR-
CLK32K
EAR_SWITCH
PWR_KEEP
XOENAQ
MOTOR+
VCAM_EN
MOTOR_SENSE
RTCALARM

SGH -E 910 Flow Chart of Troubleshooting
2-7
88
9
9
37
37 38
38
39 39
44
40 40
5
56
6
77
3
30
30
31 31 32 32
33
33 34
34
35 35 36 36
22
23 23 24 24
25
25 26
26
27 27 28 28
29
29
3
15 16 16
17
17 18
18
19 19
2
2
20 20
21
21 22
1
1
10
10
11 11 12 12
13
13 14
14
15
HDC500

SGH-E910 Flow Chart of Troubleshooting
2-8
2-1-3. Sim Part
Phone can't access
SIM card
①
Check the pin 1 of
SIM100
Voltage = 3V
NO Check the circuit related to
SIM100
YES
Check the SIM
connector's
(SIM100)
connector's to SIM
card
②
resolder or change
SIM100
NO
③
YES
Check the circuit around SIM100
input circuitry
NO Check the related circuit of
SIM100
④
YES
NO Check the related circuit of
SIM100
Check the circuit around
SIM100 output
and voltage supply circuitry
YES
END
88
99
13
GG
1415
GG
16
1111
12 12
22
33 4 4
55
6
6
77
SIM100
11
10 10

SGH -E 910 Flow Chart of Troubleshooting
2-9
2-1-4. Charging Part
Abnormal charging part
Battery Contact
at BTC101?
YES
NO Battery Check BTC101
YES
Check the IFC500
Charger input of
IFC500
NO
YES
Check the LCD
display
NO Downloader again
YES
Check the
pin17,pin18 of
IFC500 Replace TA
NO
YES
Check the pin5 of
U203=Active Low
Check U203 or pin J15
of UCP201
NO
YES
YES
NO Check U203 or pin D14
of U301
Check the pin4 of
U203=1.4v
END
NO
Check the pin6 of
U203=Active Low
Check U203 or pin K13
of UCP201

SGH-E910 Flow Chart of Troubleshooting
2-10
R506
R509
VCCD_2.9
TA502
VCCA_2.9
1
2
5
R3
1
5
C
3
1
VCCD_1.8
R519
TR501
2
R535
R501
R518
R517
C518
R511
1
2
34
5
6
7
8
ZD507
R513
R512
C514
R520
R500
TA501
R533
VCCD_1.8 VBAT
TP505
R503
C503
R502
R536
TA500
R504
ZD501
6
7
8
ZD506
1
2
34
5
NC
22
NC
23
24 NC
NC5
25
26 NC6
20
20
33
4
4
55
6
6
77
8
8
99
21 NC
13
13
14
14
15 15
16
16
17 17
18
18
19 19
2
2
IFC500
11
10
10
11 11
12
12
R538
R539
R534
TA_VEXTTA_VEXTVCCA_2.9
R547
SDS_RXD
AOUTBN
AUXINN
AUXOUTN
AOUTBP
EAR_SWITCH
JIG_ON_IF
JACK_ADC
DLC_DETECT
SDS_TXD
JACK_IN
AUXINP
AUXOUTP
R134
VBAT
BTC101
11
2
2
33
4
4
C101
VR101
TA101TA100

SGH -E 910 Flow Chart of Troubleshooting
2-11
TA200
R202
VCCD_1.8
C222
R210
VBAT
C227 R211 C224
1VL
_ACOK 6
_CHG 8
5
_EN
7
BATT
G
91 0
GG
11 12
G
3GND
IN
2
ISET
4
U203
R212
TA202
TA_VEXT
ICHRG
CHG_DET
CHG_OFF

SGH-E910 Flow Chart of Troubleshooting
2-12
2-1-5. Microphone Part
Microphone does not work
Check the
assembled status of
microphone.
Reassemblage microphone
NO
YES
resolder or change
(R429,R421,R411)
Check the reference
voltage on mic path
C410=2V
NO
Is microphone ok?
YES
Check U301
NO
YES
END
C410
VCCA_2.9
C412
R424 C409
R429
R411
R421
C413
R426
R423
R428
TA400
MICOUTP
MICINP MIC_P
MIC_N
MICOUTN
MICINN

SGH -E 910 Flow Chart of Troubleshooting
2-13
2-1-6. Speaker Part
Speaker does not work
Check the speaker
Or con-to-con FPCB
OK?
NO Speaker resolder or speaker change
con-to-con FPCB change
YES
①
Check the pin1 of U406
is LOW?
U406 Check and
change
NO
YES
②
Check the pin4,pin8
of U402 is high?
U402 Resolder or change
R408, R409 Resolder or
change
NO
YES
③
Is there sinewave signal
on the U403 pin17,18
during melody playing?
Hardware reset or
U403 change
NO
YES
④
Check the Pin #1
of U402 = "3.8V" Check R438
NO
YES
YES
END
Change speaker
NO
Is speaker OK?

SGH-E910 Flow Chart of Troubleshooting
2-14
VBAT
R452
C451 C450
4IN-
6
VDD
VO+ 5
8
VO-_SHUT
1
U406
2BYP GND 7
9
GND
IN+
3
R451
MELODY+
MELODY-AUDIO_AMP_EN
YMU-
YMU+
C407
C406
R409
8
3
4
R
C414
14
GND
6
4
IN1
8IN2
NC1 5
NC2
7
2
NO1
10 NO2 V+ 1
COM1 3
COM2
9
11
GG
1213
GG
U402
VBAT
R408
AOUTAN
MELODY+
SPK+
AOUTAP
SPK-
SPK_OUT_SEL
MELODY-

SGH -E 910 Flow Chart of Troubleshooting
2-15
C437
R443
C436 R442
R441
TA401
C432
VBAT
VCCD_1.8
C431
D
D
V
9
F
E
R
V
S
S
V
8
29 /CS
3
Q
R
I
/
31 /RD
T
S
R
/
4
28 /WR
D
E
L
R
T
M
19
C
N
5
C
L
L
P
6
17
1
T
U
O
P
S
2
T
U
O
P
S
18
15
SPVDD
SPVSS 16
7
33 G
G
34 35
G
G36
HPOUT-L/MONO 10
11
HPOUT-R
32 IOVDD
2
2
D
3
D
24 23
4
D
5
D
22 21
6
D
7
D
20
EQ1 12
13
EQ2
EQ3 14
U403
A0
30
1
I
K
L
C
D0
27
26 D1
25
C434
C433
VCCD_2.9
0
4
4
R
A(0)
Q
R
I
_
U
M
Y
T
S
R
CP_WEN
D(1)
D(0)
)
2
(
D
)
3
(
D
)
4
(
D
)
5
(
D
)
6
(
D
)
7
(
D
N
E
_
B
I
V
U
M
Y
_
M
3
1
K
L
C
R
T
C
_
D
E
L
_
U
M
Y
CP_OEN
YMU_CS
+
U
M
Y
-
U
M
Y

SGH-E910 Flow Chart of Troubleshooting
2-16
Check of U405
(pin 1,4)
2-1-7. LCD
LCD does not Display
First, Check the connection of HDC500 and LCD
①
Have a some problem of
connector (HDC500)
YES Replace a connector (HDC500)
②
NO
NO
Display is not
YES ③
NO Check the Pin4 of U500=HIGH?
(If had no problem,
Check the R515 voltage=-voltage?
Or
Check the C506 voltage=-voltage? )
Backlight does work
YES
END

SGH -E 910 Flow Chart of Troubleshooting
2-17
88
9
9
37
37 38
38
39 39
44
40 40
5
56
6
77
3
30
30
31 31 32 32
33
33 34
34
35 35 36 36
22
23 23 24 24
25
25 26
26
27 27 28 28
29
29
3
15 16 16
17
17 18
18
19 19
2
2
20 20
21
21 22
1
1
10
10
11 11 12 12
13
13 14
14
15
HDC500
R515
L500
C507
2
GND
6SW
VIN
5
VOUT 1
VBAT
U500
4CTRL FB 3
ZD502
C506
6
0
5
F
R537
LCD_V-
LCD_V+
LCD_BACKLIGHT
C427
VLCD_2.9VBAT
GND
6
5
NC
STBY
1
3VIN 4
VOUT
U405
GND
2
C447
VLCD_EN